PORT-PAYÉ/ HOLLANDE/ TROUPES Foises in red with 2 registered handstamps CHARGÉ in red on prepaid (red P.PAYÉ.D for double rate) and undated letter sheet (location unknown) over Paris to Chamberi, prepaid postage 16 déc., the only known CHARGÉ handstamp on military French mail in the Netherlands, cert. Vleeming BPP (2015), very fine